Patrick O'Callaghan <pocallag...@gmail.com> 于2020年11月6日周五 下午8:14写道：
>
> On Fri, 2020-11-06 at 11:18 +0000, Patrick O'Callaghan wrote:
> > On Fri, 2020-11-06 at 05:43 +0000, Qiyu Yan wrote:
> > > You can use swapfile on btrfs with nocow
> > > [...]
> > > https://wiki.archlinux.org/index.php/btrfs#Swap_file for instructions
> >
> > Great. I was actually wondering about precisely that, so I'm glad to
> > see it's supported with the right incantations.
>
> Trying to follow the instructions in the above URL, but clearly I'm
> misunderstanding something:
>
> # btrfs sub create /SWAP
> Create subvolume '//SWAP'
> # btrfs property set /SWAP compression no
> # btrfs sub show /SWAP
> root/SWAP
> Name: SWAP
> UUID: 1d4d839a-fd4e-d345-8d3f-ea858af71982
> Parent UUID: -
> Received UUID: -
> Creation time: 2020-11-06 11:41:37 +0000
> Subvolume ID: 1311
> Generation: 14657
> Gen at creation: 14547
> Parent ID: 257
> Top level ID: 257
> Flags: -
> Snapshot(s):
> # cd /SWAP
> # truncate -s 0 ./swapfile
> # chattr +C /SWAP
> chattr: Invalid argument while setting flags on /SWAP
Try setting +C flag on the file rather than the subvolume itself
>
> What am I missing?
>
> poc
> _______________________________________________
> users mailing list -- users@lists.fedoraproject.org
> To unsubscribe send an email to users-le...@lists.fedoraproject.org
> Fedora Code of Conduct:
> https://docs.fedoraproject.org/en-US/project/code-of-conduct/
> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
> List Archives:
> https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org
_______________________________________________
users mailing list -- users@lists.fedoraproject.org
To unsubscribe send an email to users-le...@lists.fedoraproject.org
Fedora Code of Conduct:
https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives:
https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org
